Question 834940
The wording is potentially confusing.  Constant speed for each direction but different speed for one direction than for the other direction.


Speed if no wind, r.
Speed of wind, w.
Distance each way, unknown, but 56 miles.


_____________speed____________time______________distance_____Equations
With Wind______r+w______________2.8_______________56________{{{(r+w)2.8=56}}}
Against Wind___r-w______________5_________________56________{{{(r-w)5=56}}}



-
{{{r+w=56/2.8=20}}}, {{{highlight_green(r+w=20)}}}
-
{{{r-w=56/5=11.2}}}, {{{highlight_green(r-w=11.2)}}}
-


You finish this.